Planar Cyclone

When a player casts a spell, you may exile target nonland permanent with converted mana cost
equal to the number of spells in your graveyard.
When a spell enters a graveyard, deal 6 damage to
each other player and 10 damage to each creature
that player controls.
{u}{u}{r}{r}, sacrifice a Land: Exile target creature
and that creatures controller takes damage equal to
its mana cost